Iodine is liberated from potassium iodide.
10I−+2MnO4−+16H+→2Mn2++8H2O+5I2
PotassiumdichromateK2Cr2O7+7H2SO4+6KI→Cr2(SO4)3+3I2+4K2SO4+7H2O
2Fe3++2KI→2Fe2++I2+2K+
Given below are two statements: Statement I : Iron (III) catalyst, acidified K_2 Cr_2 O_7 and neutral KMnO_4 have the ability to oxidise I^- to I_2…
JEE Main 2022 — Chemistry Inorganic Chemistry
2022mcqmedium
Given below are two statements:
Statement I : Iron (III) catalyst, acidified K2Cr2O7 and neutral KMnO4 have the ability to oxidise I− to I2 independently.
Statement II: Manganate ion is paramagnetic in nature and involves pπ−pπ bonding.
In the light of the above statements, choose the correct answer from the options.
Official previous-year question
Held on 27 Jul 2022 · Verified 6 Jul 2026.
Options
- A
Both statement I and Statement II are ture
- B
Both statement I and Statement II are false
- C
Statement I is true but Statement II is false
- D
Statement I is false but Statement II is true
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